CN106664942B - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN106664942B CN106664942B CN201510752098.0A CN201510752098A CN106664942B CN 106664942 B CN106664942 B CN 106664942B CN 201510752098 A CN201510752098 A CN 201510752098A CN 106664942 B CN106664942 B CN 106664942B
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- China
- Prior art keywords
- trigger
- limiting device
- handle housing
- electric tool
- limiting
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/90—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator
- A01D2034/907—Control levers for portable mowing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Harvester Elements (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
Abstract
It include: the tool elements that work head includes an execution instrumental function the invention discloses a kind of electric tool；Drive the motor of locking tool element；The power supply unit of electric power is provided for electric tool；Connecting rod substantially extending in a straight line；Two handles held respectively for user's both hands；Two handles are separately positioned on the two sides of connecting rod, and connecting rod connects work head and power supply unit；At least one handle includes: the grip part handle housing for being formed with and holding for user；For controlling the first trigger of the revolving speed of motor；First trigger rotation is slidingly attached to handle housing；Limiting device can limit the scope of activities of the first trigger；Limiting device rotates or is slidingly attached to handle housing；When limiting device is located at first position, the first trigger can move in the first motion range；When limiting device is located at the second position, the first trigger can move in the second motion range.The invention has the beneficial effects that handle operation is convenient, adjustment speed is fast accurate.
Description
Technical field
The present invention relates to a kind of electric tools, and in particular to a kind of electric tool with speed regulation function.
Background technique
Electric tool is a kind of using electric energy as the tool of power source, can be directly accessed in power grid with the electric energy in power grid
Driving, normally referred to as AC electrical tool.Can also be by individual battery as energy source, normally referred to as direct current is started building
Tool.
Electric tool includes tool elements and motor.Motor-driven tool element implementation tool function.Common electronic work
With grass-mowing machine, chain saw, hair dryer, pruner etc..Tool elements are respectively beat the grass rope, chain, fan, blade.
Summary of the invention
A kind of electric tool, comprising: tool elements execute instrumental function；Motor, driving instrument element；Handle housing, shape
At the grip part having for user's gripping；First trigger, for controlling the revolving speed of motor；First trigger rotation is slidingly attached to handle
Hand shell；Limiting device can limit the scope of activities of the first trigger；Limiting device rotates or is slidingly attached to handle housing；Limit
When position device is located at first position, the first trigger can move in the first motion range；When limiting device is located at the second position, the
One trigger can move in the second motion range.
Further, electric tool further include: the second trigger is formed with locking structure；First trigger is formed with: self-locking knot
Structure, can cooperate with locking structure locks the first trigger within a preset range before pulling in the second trigger.
Further, electric tool further include: first switch controls the rotation speed of motor；Second switch controls motor
Start and stop；First trigger controls first switch；Second trigger controls second switch；First switch and the second switch is located at
In handle housing.
Further, the first trigger is rotated relative to handle housing around first axle；Second trigger is relative to handle housing
It is rotated around second axis；Limiting device is rotated relative to handle housing around third axis；First axle, second axis and third axis
Line is parallel to each other.
Further, the first trigger includes: first control units, at least partly exposing handle housing；Second trigger includes:
Two control units, at least partly exposing handle housing；Limiting device further include: operation portion, for for user's operation limiting device；The
One control unit and the second control unit are respectively arranged at the opposite front side in grip part and rear side；Operation portion is at least partially arranged at gripping
The opposite left or right side in portion.
Further, limiting device includes: limiting section, can be contacted with the first trigger；Operation portion is limited for user's operation and is filled
It sets；Interconnecting piece connects limiting section and operation portion；Limiting section is located in handle housing；Operating position is in outside handle housing.
Further, limiting device further includes positioning region；Positioning region and limiting section are located at the two sides of interconnecting piece；Handle
Shell is formed with: limiting unit, and position of the fixed limiting device relative to handle housing can be cooperated with positioning region.
Further, limiting unit is formed with protrusion；Positioning region is formed with multiple grooves for protrusion insertion；Groove setting
On the path that protrusion is passed through in the movement of limiting device opposite handle shell.
Further, the first trigger forms the stopper section that can be contradicted with limiting section；Stopper section is formed with backstop groove, limit
Portion is formed with the stopper protrusion with the cooperation of backstop groove.
A kind of electric tool includes: work head, includes a tool elements；Power supply unit provides electric power for electric tool；
Connecting rod, substantially along linear extension；Two handles, hold respectively for user's both hands；Two handles are separately positioned on connecting rod
Two sides, connecting rod connect work head and power supply unit；At least one handle includes: handle housing, is formed with for user's gripping
Grip part；First trigger, for controlling the revolving speed of motor；First trigger rotation is slidingly attached to handle housing；Limiting device,
The scope of activities of the first trigger can be limited；Limiting device rotates or is slidingly attached to handle housing；Limiting device is located at first
When setting, the first trigger can move in the first motion range；When limiting device is located at the second position, the first trigger can be in the second fortune
Movement in dynamic range.
The invention has the beneficial effects that handle operation is convenient, adjustment speed is fast accurate.
Detailed description of the invention
Fig. 1 shows a kind of electric tool as embodiment；
Fig. 2 is trigger configuration schematic diagram in the handle of electric tool in Fig. 1；
Fig. 3 is that the handle of electric tool in Fig. 1 removes the schematic diagram after the handle housing of part；
Fig. 4 is the structural schematic diagram of the handle of electric tool in Fig. 1；
Fig. 5 is the partial enlarged view of the handle of electric tool in Fig. 1；
Fig. 6 is the schematic diagram when limiting device of the handle of electric tool in Fig. 1 is located at first position；
Fig. 7 is the schematic diagram when limiting device of the handle of electric tool in Fig. 1 is located at the second position.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 shows a kind of grass-mowing machine of embodiment as electric tool 100.Grass-mowing machine, including work head 10, power supply
Device 20, connecting rod 30, two handles 50a, 50b.
Work head 10 includes tool elements 11, specifically, tool elements 11 are rope of beating the grass, certainly as grass-mowing machine
Its tool elements 11 is also possible to blade.Work head 10 further includes the fixation device for fixed or installation tool element 11, such as
Shown in Fig. 1, fixed device is moving head.Moving head is for fixed rope of beating the grass.
Power supply unit 20 provides electric power for grass-mowing machine.Specifically, as shown in Figure 1, power supply unit 20 is battery pack.When
So, power supply unit 20 is also possible to the cable or interface connecting with Alternating Current Power Supply net or battery.Cable or interface can will exchange
Electricity in power supply network or battery is supplied to grass-mowing machine.
Connecting rod 30 connects work head 10 and power supply unit 20.Connecting rod 30 is substantially along linear extension.Specifically, connection
Bar 30 is hollow tube.
The rotation of 40 driving instrument element 11 of motor.Power supply unit 20 is that motor 40 provides electric power.Specifically, such as Fig. 1 institute
Show, the both ends of connecting rod 30 are respectively set in motor 40 and power supply unit 20.I.e. motor 40 and tool elements 11 are located at connecting rod 30
The same side.Being commonly referred to as such grass-mowing machine at this time is preposition motor grass-mowing machine.Alternatively, motor 40 and power supply unit
20 can also be located at the same side of connecting rod 30.Commonly referred to as such grass-mowing machine is rear motor grass-mowing machine.
Two handles 50a, 50b are held respectively for user's both hands.Specifically, two handles 50a, 50b are separately positioned on
The two sides of connecting rod 30.When user operates grass-mowing machine, two handles 50a, 50b hold and relax respectively close to right-hand man
It fits easy to operate.More specifically, two handles 50a, 50b are connected to connecting rod 30 by single or multiple stocks 61.
As depicted in figs. 1 and 2, handle 50a includes handle housing 51, the first trigger 52, the second trigger 53 and limit dress
Set 54.
Handle housing 51 is formed with the grip part 511 held for user.First trigger 52 is used to control the revolving speed of motor 40.
First trigger 52 rotates or is slidingly attached to handle housing 51.Specifically, as shown in Fig. 2, the first trigger 52 can be relative to handle
Hand shell 51 rotates.Second trigger 53 can be rotated relative to handle housing 51.It is connected between second trigger 53 and handle housing 51
There is biased element 57.Specifically, as shown in Fig. 2, biased element 57 is spring.Do not applied by user in the second trigger 53
When active force, under the action of the spring, the second trigger 53 can restore to initial position.In initial position, the second trigger
53 can limit the movement of the first trigger 52.Specifically, the second trigger 53 is formed with locking structure 531.First trigger, 52 shape
At there is self-locking structure 521.Self-locking structure 521 cooperates with locking structure 531 so that the first trigger 52 is moved in the second trigger 53
It locks before within a preset range.
First switch 55 is used to control the revolving speed of motor 40, after the second trigger 53 as shown in Figure 3 rotates, 52 energy of the first trigger
It is enough to realize the control to 40 speed of motor for controlling first switch 55 relative to the rotation of handle housing 51.When user stops
When applying active force to the first trigger 52, the first trigger 52 restores under the action of first switch 55 to initial position.In order to make
The active force that a torsional spring or pressure spring etc. apply recovery to the first trigger 52 can also can be arranged by quick-recovery fastly in first trigger 52.
If certain first switch 55 is as travel switch, it not only can be used to control the revolving speed of motor 40 or use
To control starting or stoping for motor 40.Specifically, as shown in figure 3, grass-mowing machine further includes having second switch 56, second switch
56 are used to control starting or stoping for motor 40.Second trigger 53 can trigger second switch when rotating relative to handle housing 51
56.Specifically, first switch 55 and second switch 56 are located in handle housing 51.Additional steel wire tow line or connection are not needed
Structure, the first trigger 52 and the second trigger 53 directly control first switch 55 and second switch 56 make it is compact-sized.And due to
Make 53 high reliablity of the first trigger 52 and the second trigger without excessive bindiny mechanism.
As shown in Figures 4 to 7, limiting device 54 can limit the scope of activities of the first trigger 52.Limiting device 54 can be adopted
With rotating or be slidingly attached to handle housing 51.Specifically, as shown in figure 4, limiting device 54 is relative to 51 turns of handle housing
It is dynamic.
Limiting device 54 includes operation portion 543, limiting section 541, interconnecting piece 544 and positioning region 545.
Operation portion 543 is for user's operation limiting device 54.User's rotating operating unit 543 is to realize turning for limiting device 54
It is dynamic.
Limiting section 541 can be contacted with the first trigger 52.Limiting section 541 is located in handle housing 51, and operation portion 543 is located at handle
Outside hand shell 51.Interconnecting piece 544 connects limiting section 541 and operation portion 543.
As shown in Figures 5 to 7, when the first trigger 52 rotates, the first trigger 52 contact with limiting section 541 thus prevention the
One trigger 52 continues to rotate, to limit the stroke of the first trigger 52.
As shown in fig. 6, the first trigger 52 can move in the first motion range when limiting device 54 is located at first position.
Part shown in dotted line is the initial position of the first trigger 52.Solid line position is the dominant bit that the first trigger 52 can reach at this time
It sets.First trigger 52 can move i.e. the first trigger 52 between dotted line position and solid line position can relative to handle housing 51
It is rotated within the scope of angle beta.
As shown in fig. 7, the first trigger 52 can move in the second motion range when limiting device 54 is located at the second position.
Part shown in dotted line is the initial position of the first trigger 52.Solid line position is the dominant bit that the first trigger 52 can reach at this time
It sets.First trigger 52 can move i.e. the first trigger 52 between dotted line position and solid line position can relative to handle housing 51
It is rotated within the scope of angle ε.
As shown in figure 5, the first trigger 52 is formed with stopper section 522.Stopper section 522 cooperates to limit with limiting section 541
The rotation of trigger.Specifically, stopper section 522 is formed with backstop groove 523, limiting section 541 is formed with matches with backstop groove 523
The stopper protrusion 542 of conjunction.542 quantity of stopper protrusion be it is multiple, multiple stopper protrusions 542 along arc path arrange.Limiting device
54 further include having positioning region 545.Handle housing 51 is formed with limiting unit 512.Limiting unit 512 and the fixed limit of the cooperation of positioning region 545
Position of the position device 54 relative to handle housing 51.Specifically, positioning region 545 is located in handle housing 51.Handle housing 51
Play the role of protection to positioning region 545.Avoid the damage of positioning region 545.541 company of being located at of positioning region 545 and limiting section
The two sides of socket part 544.Save space, and be located at the ipsilateral structure of interconnecting piece 544 compared to positioning region 545 and limiting section 541 and
Speech, balances the active force that the first trigger 52 applies interconnecting piece 544, and the first trigger 52 is avoided to generate one to interconnecting piece 544
Twisting resistance causes the damage of limiting device 54.Limiting unit 512 is formed with protrusion 513.Positioning region 545 is formed with multiple for protrusion
The groove 546 of 513 insertions；The path that protrusion 513 is passed through when the movement of 54 opposite handle shell 51 of limiting device is arranged in groove 546
On.
As shown in figure 4, the first trigger 52 is rotated relative to handle housing 51 around first axle S1.Second trigger 53 relative to
Handle housing 51 is rotated around second axis S2.Limiting device 54 is rotated relative to handle housing 51 around third axis S3.First axle
Line S1, second axis S2 and third axis S3 are parallel to each other.First trigger 52 includes first control units 524.First control units 524
At least partly expose handle housing 51, user presses first control units 524 and controls the first trigger 52.Second trigger 53 packet
Include the second control unit 532.Second control unit 532 at least partly exposes handle housing 51, and user presses the second control unit 532 to the
Two triggers 53 are controlled.First control units 524 and the second control unit 532 are respectively arranged at the grip part of the formation of handle housing 51
511 opposite front sides and rear side.The operation portion 543 of limiting device 54 be at least partially arranged at the opposite left side in grip part 511 or
Right side.When user needs to control grass-mowing machine, handle 50a can be controlled by one hand.The control of user's palm of the hand
Second trigger 53, then index finger collapses the first trigger 52 of control, and can be controlled by thumb limiting device 54.With
Family is easy to operate, comfortably.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of electric tool, comprising:
Tool elements execute instrumental function；
Motor drives the tool elements；
Handle housing is formed with the grip part held for user；
First trigger, for controlling the revolving speed of the motor；First trigger rotation is slidingly attached to the handle housing；
Limiting device can limit the scope of activities of first trigger；The limiting device rotates or is slidingly attached to described
Hand shell；
When the limiting device is located at first position, first trigger can move in the first motion range；
When the limiting device is located at the second position, first trigger can move in the second motion range.
2. electric tool according to claim 1, it is characterised in that:
The electric tool further include:
Second trigger, is formed with locking structure；
First trigger is formed with:
Self-locking structure, can cooperate with the locking structure is locked in first trigger before pulling in second trigger
In preset range.
3. electric tool according to claim 2, it is characterised in that:
The electric tool further include:
First switch controls the rotation speed of the motor；
Second switch controls starting and stopping for the motor；
First trigger controls the first switch；
Second trigger controls the second switch；
The first switch and the second switch are located in the handle housing.
4. electric tool according to claim 2, it is characterised in that:
First trigger is rotated relative to the handle housing around first axle；
Second trigger is rotated relative to the handle housing around second axis；
The limiting device is rotated relative to the handle housing around third axis；
The first axle, second axis and the third axis are parallel to each other.
5. electric tool according to claim 2, it is characterised in that:
First trigger includes:
First control units at least partly exposes the handle housing；
Second trigger includes:
Second control unit at least partly exposes the handle housing；
The limiting device further include:
Operation portion, for for limiting device described in user's operation；
The first control units and second control unit are respectively arranged at the opposite front side in the grip part and rear side；
The operation portion is at least partially arranged at the opposite left or right side in the grip part.
6. electric tool according to claim 1, it is characterised in that:
The limiting device includes:
Limiting section can be contacted with first trigger；
Operation portion, for limiting device described in user's operation；
Interconnecting piece connects the limiting section and the operation portion；
The operation portion and the limiting section are arranged to move synchronously；
The limiting section is located in the handle housing；
The operation portion is at least partially disposed at outside the handle housing.
7. electric tool according to claim 6, it is characterised in that:
The limiting device further includes positioning region；
The positioning region and the limiting section are located at the two sides of the interconnecting piece；
The handle housing is formed with:
Limiting unit can cooperate position of the fixed limiting device relative to the handle housing with the positioning region.
8. electric tool according to claim 7, it is characterised in that:
The limiting unit is formed with protrusion；
The positioning region is formed with multiple grooves for the protrusion insertion；
The groove is arranged on the path that the protrusion is passed through when the limiting device handle housing relatively moves.
9. electric tool according to claim 6, it is characterised in that:
First trigger forms the stopper section that can be contradicted with the limiting section；
The stopper section is formed with backstop groove,
The limiting section is formed with the stopper protrusion with backstop groove cooperation.
10. a kind of electric tool, comprising:
Work head includes a tool elements；
Motor drives the tool elements；
Power supply unit provides electric power for the electric tool；
Connecting rod, substantially along linear extension；
Two handles, hold respectively for user's both hands；
Two handles are separately positioned on the two sides of the connecting rod；
The connecting rod connects the work head and the power supply unit；
At least one described handle includes:
Handle housing is formed with the grip part held for user；
First trigger, for controlling the revolving speed of the motor；First trigger rotation is slidingly attached to the handle housing；
Limiting device can limit the scope of activities of first trigger；The limiting device rotates or is slidingly attached to described
Hand shell；
When the limiting device is located at first position, first trigger can move in the first motion range；
When the limiting device is located at the second position, first trigger can move in the second motion range.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752098.0A CN106664942B (en) | 2015-11-06 | 2015-11-06 | Electric tool |
| DE202016106165.2U DE202016106165U1 (en) | 2015-11-06 | 2016-11-03 | power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510752098.0A CN106664942B (en) | 2015-11-06 | 2015-11-06 | Electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106664942A CN106664942A (en) | 2017-05-17 |
| CN106664942B true CN106664942B (en) | 2019-08-06 |
Family
ID=57466604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510752098.0A Active CN106664942B (en) | 2015-11-06 | 2015-11-06 | Electric tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106664942B (en) |
| DE (1) | DE202016106165U1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110651588B (en) * | 2018-06-28 | 2023-03-21 | 南京泉峰科技有限公司 | Electric tool |
| DE102018217991A1 (en) * | 2018-10-22 | 2020-04-23 | Robert Bosch Gmbh | Actuator |
| JP7224950B2 (en) * | 2019-02-18 | 2023-02-20 | 株式会社マキタ | electric work machine |
| JP7281917B2 (en) | 2019-02-18 | 2023-05-26 | 株式会社マキタ | electric work machine |
| CN109746877A (en) * | 2019-03-27 | 2019-05-14 | 常州格力博有限公司 | Hand held electric tool |
| CN110549304B (en) * | 2019-09-05 | 2024-07-05 | 上海沃施实业有限公司 | Handle for garden tool |
| CN110744504A (en) * | 2019-10-30 | 2020-02-04 | 南京德朔实业有限公司 | Hand-held electric tool |
| CN113207413B (en) * | 2021-06-09 | 2022-09-02 | 江苏苏美达五金工具有限公司 | Adjustment mechanism and electric tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968641A2 (en) * | 1998-07-02 | 2000-01-05 | Honda Giken Kogyo Kabushiki Kaisha | Operation control lever unit for engine-powered working machine |
| EP1223318A2 (en) * | 2001-01-11 | 2002-07-17 | Aktiebolaget Electrolux | A device for adjustably limiting the engine speed of a hand tool |
| CN201539315U (en) * | 2009-11-25 | 2010-08-04 | 洛阳市黄河软轴控制器有限公司 | Internally-positioned and stroke-adjustable engine hand throttle controller |
| CN203505055U (en) * | 2013-11-15 | 2014-04-02 | 浙江哈雷动力机械有限公司 | Operating handle of handheld mower |
| CN204172698U (en) * | 2014-08-28 | 2015-02-25 | 惠州学院 | Accelerator control device and automobile |
| CN204305625U (en) * | 2014-09-28 | 2015-05-06 | 南京德朔实业有限公司 | Mower |
-
2015
- 2015-11-06 CN CN201510752098.0A patent/CN106664942B/en active Active
-
2016
- 2016-11-03 DE DE202016106165.2U patent/DE202016106165U1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968641A2 (en) * | 1998-07-02 | 2000-01-05 | Honda Giken Kogyo Kabushiki Kaisha | Operation control lever unit for engine-powered working machine |
| EP1223318A2 (en) * | 2001-01-11 | 2002-07-17 | Aktiebolaget Electrolux | A device for adjustably limiting the engine speed of a hand tool |
| CN201539315U (en) * | 2009-11-25 | 2010-08-04 | 洛阳市黄河软轴控制器有限公司 | Internally-positioned and stroke-adjustable engine hand throttle controller |
| CN203505055U (en) * | 2013-11-15 | 2014-04-02 | 浙江哈雷动力机械有限公司 | Operating handle of handheld mower |
| CN204172698U (en) * | 2014-08-28 | 2015-02-25 | 惠州学院 | Accelerator control device and automobile |
| CN204305625U (en) * | 2014-09-28 | 2015-05-06 | 南京德朔实业有限公司 | Mower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106664942A (en) | 2017-05-17 |
| DE202016106165U1 (en) | 2016-11-16 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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